Label(C=lvl2ref.m, kind='slash', name='6', loc='se')
amp = Amp(pi=reference.o, xoff=50, kind='oa', name='amp')
Wire([reference.o, amp.pi])
C1 = Capacitor(p=amp.C, off=(-12.5, 75), orient='h')
R1 = Resistor(p=C1.p, xoff=12.5, orient='h')
C2 = Capacitor(C=midpoint(R1.C, C1.C), yoff=50, orient='h')
Wire([C1.n, with_y(C1.n, amp.o)], kind='-|')
Wire([R1.n, amp.ni], kind='|-')
Wire([C2.p, R1.n], kind='-|')
Wire([C2.n, C1.n], kind='-|')
cmp = Amp(pi=amp.o, xoff=125, kind='comp', name='cmp')
Wire([amp.o, cmp.pi])
gd = Box(i=cmp.o, xoff=50, name='gate', value='drivers')
Wire([cmp.o, gd.i])
pfet = MOS(g=gd.N, yoff=-50, kind='p', orient='h')
Wire([pfet.g, gd.N])
Wire([pfet.s, pvdd.C])
nfet = MOS(g=gd.o, xoff=25, kind='n', orient='v')
Wire([nfet.g, gd.o])
Wire([nfet.d, pfet.d], kind='|-')
Ground(C=nfet.s)
ind = Inductor(n=with_x(pfet.d, nfet.E), orient='h')
Wire([pfet.d, ind.n])
cap = Capacitor(p=ind.p, orient='v')
Ground(C=cap.n)
# Generates schematic as an .svg file.
# Requires svg_schematic:
# git clone https://github.com/KenKundert/svg_schematic.git
# cd svg-schematic
# python3 setup.py --user --upgrade install
from svg_schematic import (Schematic, shift, shift_x, shift_y, midpoint, Box,
Ground, Label, Source, Wire)
with Schematic(filename="msnm.svg"):
v = Source(kind='noise', value='S(f)', orient='v')
Ground(C=v.n, orient='v')
m = Source(C=shift_x(v.p, 200), kind='mult')
Wire([v.p, m.W])
wm = Wire([m.S, shift_y(m.S, 25)])
Label(C=wm.e, loc='S', name='m(t)')
Label(C=midpoint(v.p, m.W), loc='N', name='stationary noise')
wo = Wire([m.E, shift_x(m.E, 210)])
Label(C=wo.e, kind='arrow', loc='NW', name='cyclostationary noise')
Box(C=shift(v.C, 100, -3),
w=5.5,
h=3.2,
line_width=0.5,
background='none',
stroke_dasharray="4 2")
from svg_schematic import Schematic, Box, Wire, Label, shift_x, shift_y
with Schematic(filename='network-map.svg', line_width=2):
# work network
work = Box(w=6.5, h=4.5, stroke_dasharray="4 2")
Label(C=work.SW, loc='ne', name='work')
bastion = Box(S=work.S, yoff=-25, w=5.5, h=2, color='lightgray')
Wire([bastion.E, shift_x(bastion.E, 75)])
Label(C=bastion.SW, loc='ne', name='bastion')
www = Box(NE=bastion.N,
off=(-12.5, 25),
w=2,
h=1,
color='white',
name='www')
mail = Box(NW=bastion.N,
off=(12.5, 25),
w=2,
h=1,
color='white',
name='mail')
dump = Box(SW=bastion.NW, yoff=-25, w=2.5, h=1, name='dump')
laptop = Box(SE=bastion.NE,
yoff=-25,
w=2.5,
h=1,
name='my laptop',
stroke_dasharray="2 2")
# home network
home = Box(N=work.S, yoff=50, w=6.5, h=2, stroke_dasharray="4 2")
rf_in = Pin(kind='in', name='L-band Horn', w=3)
Label(C=rf_in.C, yoff=15, loc='w', name='fc=1420MHz', w=3.5, nudge=14)
Label(C=rf_in.C, yoff=30, loc='w', name='BW=15MHz', w=3.5, nudge=14)
# First preamp
rf_preamp1 = Amp(i=rf_in.t, xoff=25, kind='se', name='RF Preamp1')
Label(C=rf_preamp1.S, loc='s', name='A>=26dB')
Wire([rf_in.t, rf_preamp1.i])
# Second preamp
rf_preamp2 = Amp(i=rf_preamp1.o, xoff=25, kind='se', name='RF Preamp2')
Label(C=rf_preamp2.S, loc='s', name='A>=26dB')
Wire([rf_preamp1.o, rf_preamp2.i])
# RF band-pass filter
rf_bpf = Box(i=rf_preamp2.o, xoff=25, name='RF BPF')
l = Label(C=rf_bpf.S, loc='s', name='fc=1380MHz')
Label(C=l.S, name='BW=320MHz')
Wire([rf_preamp2.o, rf_bpf.i])
# First RF amplifier
rf_amp1 = Amp(i=rf_bpf.o, xoff=25, kind='se', name='RF Amp1')
Label(C=rf_amp1.S, loc='s', name='A<=20dB')
Wire([rf_bpf.o, rf_amp1.i])
# Second RF amplifier
rf_amp2 = Amp(i=rf_amp1.o, xoff=25, kind='se', name='RF Amp2')
Label(C=rf_amp2.S, loc='s', name='A<=20dB')
Wire([rf_amp1.o, rf_amp2.i])
# RF mixer
midpoint,
shift_x,
shift,
with_x,
with_y,
)
from inform import Error, error, os_error
try:
with Schematic(filename='pipeline-adc.svg', line_width=2):
# Stage 1
i = Pin(kind='in', name='in')
s1 = Box(NW=i.t,
off=(25, -62.5),
w=10.5,
h=4.5,
background='lightgray')
Label(C=s1.SE, loc='nw', name='Stage 1')
adc = Box(W=i.t, off=(75, 100), name='2 bit', value='Flash')
dac = Box(i=adc.o, xoff=50, name='2 bit', value='DAC')
sh = Box(C=with_x(i.t, midpoint(adc.C, dac.C)), name='SAH')
sum = Source(W=with_x(i.t, dac.E), xoff=25, kind='sum', orient='h|')
Label(C=sum.W, loc='nw', name='+')
Label(C=sum.S, loc='se', name='−')
amp = Amp(i=sum.E, xoff=25, kind='se', name='4×')
Wire([i.t, sh.i])
Wire([sh.o, sum.W])
Wire([sum.E, amp.i])
Wire([shift_x(i.t, 50), adc.i], kind='|-')
Wire([adc.o, dac.i])
from svg_schematic import Schematic, Resistor, Box, Label
from inform import Error, error, os_error
try:
with Schematic(
filename='tile1.svg',
background='none',
):
b = Box(w=2, h=2, background='lightgray')
r = Resistor(C=b.C)
Label(C=r.C, name='C', loc='s', kind='dot', color='blue', w=2)
Label(C=r.N, name='N', loc='n', kind='dot', color='blue', w=2)
Label(C=r.NE, name='NE', loc='ne', kind='dot', color='blue', w=2)
Label(C=r.E, name='E', loc='e', kind='dot', color='blue', w=2)
Label(C=r.SE, name='SE', loc='se', kind='dot', color='blue', w=2)
Label(C=r.S, name='S', loc='s', kind='dot', color='blue', w=2)
Label(C=r.SW, name='SW', loc='sw', kind='dot', color='blue', w=2)
Label(C=r.W, name='W', loc='w', kind='dot', color='blue', w=2)
Label(C=r.NW, name='NW', loc='nw', kind='dot', color='blue', w=2)
b = Box(C=b.C, xoff=200, w=2, h=2, background='lightgray')
r = Resistor(C=b.C, orient='v')
Label(C=r.C, name='C', loc='e', kind='dot', color='blue', w=2)
Label(C=r.N, name='N', loc='n', kind='dot', color='blue', w=2)
Label(C=r.NE, name='NE', loc='ne', kind='dot', color='blue', w=2)
Label(C=r.E, name='E', loc='e', kind='dot', color='blue', w=2)
Label(C=r.SE, name='SE', loc='se', kind='dot', color='blue', w=2)
Label(C=r.S, name='S', loc='s', kind='dot', color='blue', w=2)
Label(C=r.SW, name='SW', loc='sw', kind='dot', color='blue', w=2)
Label(C=r.W, name='W', loc='w', kind='dot', color='blue', w=2)
Label(C=r.NW, name='NW', loc='nw', kind='dot', color='blue', w=2)
from svg_schematic import Schematic, Box, Label
from inform import Error, error, os_error
try:
with Schematic(filename='box.svg'):
b = Box(name='4 bit', value='Flash')
Label(C=b.i, name='i', loc='w', kind='dot', color='blue')
Label(C=b.o, name='o', loc='e', kind='dot', color='blue')
b = Box(name='𝘻⁻¹', w=1, h=1, C=b.C, xoff=150)
Label(C=b.i, name='i', loc='w', kind='dot', color='blue')
Label(C=b.o, name='o', loc='e', kind='dot', color='blue')
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
#!/usr/bin/env python3
from svg_schematic import Schematic, Amp, Box, Label, Pin, Source, Wire, shift_x
from inform import Error, error, os_error
try:
with Schematic(
filename = "feedback.svg",
font_size=16,
font_family='serif'
):
summer = Source(kind='sum')
amp = Amp(W=summer.E, xoff=25, name='$a$', kind='se')
fb = Box(C=amp.C, yoff=100, name='$f$', h=1, orient='|')
Label(C=summer.W, name='$+$', loc='nw')
Label(C=summer.S, name='$-$', loc='sw')
i = Pin(C=summer.W, xoff=-50, name='in', kind='in')
o = Pin(C=amp.E, xoff=50, name='out', kind='out')
Wire([i.C, summer.W])
Wire([summer.E, amp.i])
Wire([amp.E, o.C])
Wire([shift_x(amp.E, 25), fb.i], kind='|-')
Wire([summer.S, fb.W], kind='|-')
except Error as e:
e.report()
except OSError as e:
error(os_error(e))